EP0434000A3 - Liquid crystal display - Google Patents

Liquid crystal display Download PDF

Info

Publication number
EP0434000A3
EP0434000A3 EP19900124621 EP90124621A EP0434000A3 EP 0434000 A3 EP0434000 A3 EP 0434000A3 EP 19900124621 EP19900124621 EP 19900124621 EP 90124621 A EP90124621 A EP 90124621A EP 0434000 A3 EP0434000 A3 EP 0434000A3
Authority
EP
European Patent Office
Prior art keywords
liquid crystal
crystal display
display
liquid
crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19900124621
Other versions
EP0434000A2 (en
EP0434000B1 (en
Inventor
Jean-Frederic Clerc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stanley Electric Co Ltd
Original Assignee
Stanley Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stanley Electric Co Ltd filed Critical Stanley Electric Co Ltd
Publication of EP0434000A2 publication Critical patent/EP0434000A2/en
Publication of EP0434000A3 publication Critical patent/EP0434000A3/en
Application granted granted Critical
Publication of EP0434000B1 publication Critical patent/EP0434000B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
    • G02F1/1393—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
EP19900124621 1989-12-21 1990-12-18 Liquid crystal display Expired - Lifetime EP0434000B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP332338/89 1989-12-21
JP1332338A JPH07109458B2 (en) 1989-12-21 1989-12-21 Liquid crystal display

Publications (3)

Publication Number Publication Date
EP0434000A2 EP0434000A2 (en) 1991-06-26
EP0434000A3 true EP0434000A3 (en) 1992-04-08
EP0434000B1 EP0434000B1 (en) 1995-08-09

Family

ID=18253850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900124621 Expired - Lifetime EP0434000B1 (en) 1989-12-21 1990-12-18 Liquid crystal display

Country Status (3)

Country Link
EP (1) EP0434000B1 (en)
JP (1) JPH07109458B2 (en)
DE (1) DE69021521T2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309264A (en) * 1992-04-30 1994-05-03 International Business Machines Corporation Liquid crystal displays having multi-domain cells
GB2314640A (en) * 1996-06-26 1998-01-07 Sharp Kk Liquid crystal devices
GB2314641A (en) * 1996-06-26 1998-01-07 Sharp Kk Liquid crystal devices
JP3406492B2 (en) * 1997-05-26 2003-05-12 シャープ株式会社 LCD panel
WO2012108311A1 (en) * 2011-02-08 2012-08-16 シャープ株式会社 Liquid crystal display
WO2012108313A1 (en) * 2011-02-08 2012-08-16 シャープ株式会社 Liquid crystal display

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1531730A (en) * 1976-03-03 1978-11-08 Secr Defence Liquid crystal devices
EP0251231A2 (en) * 1986-06-30 1988-01-07 Casio Computer Company Limited Liquid crystal optical device and liquid crystal optical printer using the same
EP0376030A2 (en) * 1988-12-24 1990-07-04 Nokia Unterhaltungselektronik (Deutschland) GmbH Nématic liquid-crystal cell

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58173720A (en) * 1982-04-06 1983-10-12 Kawaguchiko Seimitsu Kk Liquid crystal color display body
US4566758A (en) * 1983-05-09 1986-01-28 Tektronix, Inc. Rapid starting, high-speed liquid crystal variable optical retarder
JPS62174723A (en) * 1986-01-29 1987-07-31 Toshiba Corp Liquid crystal element
JPH06103370B2 (en) * 1987-05-29 1994-12-14 シャープ株式会社 Liquid crystal display
JPH01243021A (en) * 1988-03-24 1989-09-27 Asahi Glass Co Ltd Liquid crystal display element

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1531730A (en) * 1976-03-03 1978-11-08 Secr Defence Liquid crystal devices
EP0251231A2 (en) * 1986-06-30 1988-01-07 Casio Computer Company Limited Liquid crystal optical device and liquid crystal optical printer using the same
EP0376030A2 (en) * 1988-12-24 1990-07-04 Nokia Unterhaltungselektronik (Deutschland) GmbH Nématic liquid-crystal cell

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 13, no. 129 (P-849)30 March 1989 & JP-A-63 300 223 ( SHARP CORP ) 7 December 1988 *

Also Published As

Publication number Publication date
JPH07109458B2 (en) 1995-11-22
DE69021521D1 (en) 1995-09-14
DE69021521T2 (en) 1996-04-18
EP0434000A2 (en) 1991-06-26
EP0434000B1 (en) 1995-08-09
JPH03192217A (en) 1991-08-22

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